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Platinum is used to catalyze the hydrogenation of ethylene: H2(g) + CH2CH2(g) → CH3CH3(g) Chlorofluorocarbon (CFCs) catalyze the conversion of ozone (O3) to oxygen gas (O2): 2O3(g) → 3O2(g) Magnesium catalyzes the disproportion of hydrogen peroxide to produce water and oxygen: 2H2O2(aq) →2H2O(l) + O2(g) What type of catalysts are platinum, CFCs, and magnesium under these conditions? Drag the appropriate items to their respective bins.